Search a number
-
+
122112012200 = 23522213275897
BaseRepresentation
bin111000110111001110…
…0010110111110101000
3102200012012021221120112
41301232130112332220
54000041133342300
6132033020113452
711552022656243
oct1615634267650
9380165257515
10122112012200
1147873058152
121b7bb095888
13b69091c929
145ca5a3c25a
15329a5e1e35
hex1c6e716fa8

122112012200 has 48 divisors (see below), whose sum is σ = 284039749980. Its totient is φ = 48822556160.

The previous prime is 122112012173. The next prime is 122112012203. The reversal of 122112012200 is 2210211221.

It can be written as a sum of positive squares in 6 ways, for example, as 93842970244 + 28269041956 = 306338^2 + 168134^2 .

It is a super-2 number, since 2×1221120122002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112012203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304652 + ... + 580548.

Almost surely, 2122112012200 is an apocalyptic number.

122112012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112012200 is an abundant number, since it is smaller than the sum of its proper divisors (161927737780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122112012200 is a wasteful number, since it uses less digits than its factorization.

122112012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278126 (or 278117 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122112012200 its reverse (2210211221), we get a palindrome (124322223421).

The spelling of 122112012200 in words is "one hundred twenty-two billion, one hundred twelve million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 2213 4426 8852 11065 17704 22130 44260 55325 88520 110650 221300 275897 442600 551794 1103588 1379485 2207176 2758970 5517940 6897425 11035880 13794850 27589700 55179400 610560061 1221120122 2442240244 3052800305 4884480488 6105600610 12211201220 15264001525 24422402440 30528003050 61056006100 122112012200